Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4789396
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Funding
- EPSRC [EP/H003487/1]
- Engineering and Physical Sciences Research Council [EP/H003487/1] Funding Source: researchfish
- EPSRC [EP/H003487/1] Funding Source: UKRI
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We demonstrate the interplay between strain-induced, shape-induced, and magnetocrystalline anisotropy energies in a micron scale magnetostrictive device coupled to a piezoelectric transducer. Varying the voltage on the transducer tunes the shape of the magnetic hysteresis loops and the magnetic reversal processes, which involve a single 180 degrees or 90 degrees domain wall, or proceed via the formation of a regular flux closure domain pattern. The flux closure domains can be suppressed or enhanced in the absence of an external magnetic field by sweeping the applied voltage. The functionalities we demonstrate may find applications in magnetic schemes for information storage and logical processing. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4789396]
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